{
  "id": "uart-solar-mppt-baseboard",
  "name": "μArt.cz Solar Mesh Baseboard",
  "vendorId": "uart-cz",
  "kind": "kit",
  "category": "development-board",
  "lifecycle": "active",
  "familyId": "uart-cz-solar-node",
  "variantOf": "rak-4631",
  "flasherListed": false,
  "product_url": "https://lectronz.com/products/solar-mppt-charger-for-meshtastic",
  "price": {
    "amount": 55,
    "currency": "EUR",
    "asOf": "2026-06"
  },
  "description": "Bare 70 × 43 mm baseboard built around the RAK4630 (RAK4631-compatible firmware) with an integrated MPPT solar charge controller. Solar input 7–30 V, supports 1S Li-Ion/Li-Pol/LiFePO4 and 1S/2S LTO batteries with a 3.3V buck/boost converter. No enclosure, panel, or battery included; meant to be built into a custom off-grid Meshtastic/MeshCore/Reticulum node.",
  "roles": [
    "companion",
    "repeater",
    "room-server"
  ],
  "transports": [
    "ble",
    "usb"
  ],
  "hardware": {
    "mcu": {
      "model": "nrf52840",
      "flashMb": 1,
      "ramKb": 256
    },
    "radios": [
      {
        "technology": "lora",
        "chip": "sx1262",
        "bands": [
          "868",
          "915"
        ],
        "antenna": "IPEX"
      }
    ],
    "display": {
      "status": "none"
    },
    "gnss": {
      "status": "none"
    },
    "power": {
      "batterySupported": true,
      "batteryBuiltIn": false,
      "batteryChemistry": "other",
      "charging": true,
      "solarInput": true,
      "solarPanelBuiltIn": false
    },
    "expansion": [
      {
        "type": "QWIIC/STEMMA",
        "count": 1,
        "interfaces": [
          "I2C"
        ]
      }
    ],
    "enclosure": {
      "builtIn": false
    },
    "physical": {
      "dimensionsMm": {
        "width": 70,
        "height": 43
      }
    }
  },
  "interfaces": {
    "usb": {
      "connector": "USB-C",
      "capabilities": [
        "serial",
        "flashing"
      ]
    },
    "bluetooth": {
      "version": "5.0",
      "ble": true
    },
    "wifi": {
      "status": "none"
    }
  },
  "source": {
    "path": "data/devices/uart-solar-mppt-baseboard/device.yaml",
    "updatedAt": "2026-06-27T23:09:56+02:00"
  },
  "vendorName": "μArt.cz"
}